diff --git a/src/layer/vector/Circle.js b/src/layer/vector/Circle.js
index be1c6776..9bfd8998 100644
--- a/src/layer/vector/Circle.js
+++ b/src/layer/vector/Circle.js
@@ -32,26 +32,31 @@ L.Circle = L.CircleMarker.extend({
 
 	_project: function () {
 
-		var rad = Math.PI / 180,
-		    lng = this._latlng.lng,
+		var lng = this._latlng.lng,
 		    lat = this._latlng.lat,
 		    map = this._map,
+		    crs = map.options.crs;
 
-		    latR = (this._mRadius / L.CRS.Earth.R) / rad,
-		    top = map.project([lat + latR, lng]),
-		    bottom = map.project([lat - latR, lng]),
-		    p = top.add(bottom).divideBy(2),
-		    lat2 = map.unproject(p).lat,
+		if (crs.distance === L.CRS.Earth.distance) {
+			var d = Math.PI / 180,
+			    latR = (this._mRadius / L.CRS.Earth.R) / d,
+			    top = map.project([lat + latR, lng]),
+			    bottom = map.project([lat - latR, lng]),
+			    p = top.add(bottom).divideBy(2),
+			    lat2 = map.unproject(p).lat,
+			    lngR = Math.acos((Math.cos(latR * d) - Math.sin(lat * d) * Math.sin(lat2 * d)) /
+			            (Math.cos(lat * d) * Math.cos(lat2 * d))) / d;
 
-		    lngR = Math.acos((Math.cos(latR * rad) - Math.sin(lat * rad) * Math.sin(lat2 * rad)) /
-		            (Math.cos(lat * rad) * Math.cos(lat2 * rad))) / rad || 0,
-		    left = map.project([lat2, lng - lngR]),
-		    r = p.x - left.x,
-		    ry = p.y - top.y;
+			this._point = p.subtract(map.getPixelOrigin());
+			this._radius = isNaN(lngR) ? 0 : Math.max(Math.round(p.x - map.project([lat2, lng - lngR]).x), 1);
+			this._radiusY = Math.max(Math.round(p.y - top.y), 1);
 
-		this._point = p.subtract(map.getPixelOrigin());
-		this._radius = r ? Math.max(Math.round(r), 1) : 0;
-		this._radiusY = Math.max(Math.round(ry), 1);
+		} else {
+			var latlng2 = crs.unproject(crs.project(this._latlng).subtract([this._mRadius, 0]));
+
+			this._point = map.latLngToLayerPoint(this._latlng);
+			this._radius = this._point.x - map.latLngToLayerPoint(latlng2).x;
+		}
 
 		this._updateBounds();
 	}